static void test_recv_new(const char *dataset, int fd) { dmu_replay_record_t drr = { 0 }; nvlist_t *required = fnvlist_alloc(); nvlist_t *optional = fnvlist_alloc(); nvlist_t *props = fnvlist_alloc(); char snapshot[MAXNAMELEN + 32]; ssize_t count; int cleanup_fd = open(ZFS_DEV, O_RDWR); (void) snprintf(snapshot, sizeof (snapshot), "%s@replicant", dataset); count = pread(fd, &drr, sizeof (drr), 0); if (count != sizeof (drr)) { (void) fprintf(stderr, "could not read stream: %s\n", strerror(errno)); } fnvlist_add_string(required, "snapname", snapshot); fnvlist_add_byte_array(required, "begin_record", (uchar_t *)&drr, sizeof (drr)); fnvlist_add_int32(required, "input_fd", fd); fnvlist_add_string(props, "org.openzfs:launch", "September 17th, 2013"); fnvlist_add_nvlist(optional, "localprops", props); fnvlist_add_boolean(optional, "force"); fnvlist_add_int32(optional, "cleanup_fd", cleanup_fd); /* * TODO - Resumable receive is harder to set up. So we currently * ignore testing for one. */ #if 0 fnvlist_add_nvlist(optional, "props", recvdprops); fnvlist_add_string(optional, "origin", origin); fnvlist_add_boolean(optional, "resumable"); fnvlist_add_uint64(optional, "action_handle", *action_handle); #endif IOC_INPUT_TEST(ZFS_IOC_RECV_NEW, dataset, required, optional, EBADE); nvlist_free(props); nvlist_free(optional); nvlist_free(required); (void) close(cleanup_fd); }
static void run_tests(void) { const char *key = "key"; /* Note: maximum nvlist key length is 32KB */ int len = 1024 * 31; char *bigstring = malloc(len); for (int i = 0; i < len; i++) bigstring[i] = 'a' + i % 26; bigstring[len - 1] = '\0'; nvl = fnvlist_alloc(); fnvlist_add_boolean(nvl, key); test("boolean", B_TRUE, B_FALSE); fnvlist_add_boolean_value(nvl, key, B_TRUE); test("boolean_value", B_FALSE, B_FALSE); fnvlist_add_byte(nvl, key, 1); test("byte", B_FALSE, B_FALSE); fnvlist_add_int8(nvl, key, 1); test("int8", B_FALSE, B_FALSE); fnvlist_add_uint8(nvl, key, 1); test("uint8", B_FALSE, B_FALSE); fnvlist_add_int16(nvl, key, 1); test("int16", B_FALSE, B_FALSE); fnvlist_add_uint16(nvl, key, 1); test("uint16", B_FALSE, B_FALSE); fnvlist_add_int32(nvl, key, 1); test("int32", B_FALSE, B_FALSE); fnvlist_add_uint32(nvl, key, 1); test("uint32", B_FALSE, B_FALSE); fnvlist_add_int64(nvl, key, 1); test("int64", B_TRUE, B_TRUE); fnvlist_add_uint64(nvl, key, 1); test("uint64", B_FALSE, B_FALSE); fnvlist_add_string(nvl, key, "1"); test("string", B_TRUE, B_TRUE); { nvlist_t *val = fnvlist_alloc(); fnvlist_add_string(val, "subkey", "subvalue"); fnvlist_add_nvlist(nvl, key, val); fnvlist_free(val); test("nvlist", B_TRUE, B_TRUE); } { boolean_t val[2] = { B_FALSE, B_TRUE }; fnvlist_add_boolean_array(nvl, key, val, 2); test("boolean_array", B_FALSE, B_FALSE); } { uchar_t val[2] = { 0, 1 }; fnvlist_add_byte_array(nvl, key, val, 2); test("byte_array", B_FALSE, B_FALSE); } { int8_t val[2] = { 0, 1 }; fnvlist_add_int8_array(nvl, key, val, 2); test("int8_array", B_FALSE, B_FALSE); } { uint8_t val[2] = { 0, 1 }; fnvlist_add_uint8_array(nvl, key, val, 2); test("uint8_array", B_FALSE, B_FALSE); } { int16_t val[2] = { 0, 1 }; fnvlist_add_int16_array(nvl, key, val, 2); test("int16_array", B_FALSE, B_FALSE); } { uint16_t val[2] = { 0, 1 }; fnvlist_add_uint16_array(nvl, key, val, 2); test("uint16_array", B_FALSE, B_FALSE); } { int32_t val[2] = { 0, 1 }; fnvlist_add_int32_array(nvl, key, val, 2); test("int32_array", B_FALSE, B_FALSE); } { uint32_t val[2] = { 0, 1 }; fnvlist_add_uint32_array(nvl, key, val, 2); test("uint32_array", B_FALSE, B_FALSE); } { int64_t val[2] = { 0, 1 }; fnvlist_add_int64_array(nvl, key, val, 2); test("int64_array", B_TRUE, B_FALSE); } { uint64_t val[2] = { 0, 1 }; fnvlist_add_uint64_array(nvl, key, val, 2); test("uint64_array", B_FALSE, B_FALSE); } { char *const val[2] = { "0", "1" }; fnvlist_add_string_array(nvl, key, val, 2); test("string_array", B_TRUE, B_FALSE); } { nvlist_t *val[2]; val[0] = fnvlist_alloc(); fnvlist_add_string(val[0], "subkey", "subvalue"); val[1] = fnvlist_alloc(); fnvlist_add_string(val[1], "subkey2", "subvalue2"); fnvlist_add_nvlist_array(nvl, key, val, 2); fnvlist_free(val[0]); fnvlist_free(val[1]); test("nvlist_array", B_FALSE, B_FALSE); } { fnvlist_add_string(nvl, bigstring, "1"); test("large_key", B_TRUE, B_TRUE); } { fnvlist_add_string(nvl, key, bigstring); test("large_value", B_TRUE, B_TRUE); } { for (int i = 0; i < 1024; i++) { char buf[32]; (void) snprintf(buf, sizeof (buf), "key-%u", i); fnvlist_add_int64(nvl, buf, i); } test("many_keys", B_TRUE, B_TRUE); } #ifndef __sparc__ { for (int i = 0; i < 10; i++) { nvlist_t *newval = fnvlist_alloc(); fnvlist_add_nvlist(newval, "key", nvl); fnvlist_free(nvl); nvl = newval; } test("deeply_nested_pos", B_TRUE, B_TRUE); } { for (int i = 0; i < 90; i++) { nvlist_t *newval = fnvlist_alloc(); fnvlist_add_nvlist(newval, "key", nvl); fnvlist_free(nvl); nvl = newval; } test("deeply_nested_neg", B_FALSE, B_FALSE); } #endif free(bigstring); fnvlist_free(nvl); }
/* * Linux adds ZFS_IOC_RECV_NEW for resumable and raw streams and preserves the * legacy ZFS_IOC_RECV user/kernel interface. The new interface supports all * stream options but is currently only used for resumable streams. This way * updated user space utilities will interoperate with older kernel modules. * * Non-Linux OpenZFS platforms have opted to modify the legacy interface. */ static int recv_impl(const char *snapname, nvlist_t *recvdprops, nvlist_t *localprops, const char *origin, boolean_t force, boolean_t resumable, boolean_t raw, int input_fd, const dmu_replay_record_t *begin_record, int cleanup_fd, uint64_t *read_bytes, uint64_t *errflags, uint64_t *action_handle, nvlist_t **errors) { dmu_replay_record_t drr; char fsname[MAXPATHLEN]; char *atp; int error; ASSERT3S(g_refcount, >, 0); VERIFY3S(g_fd, !=, -1); /* Set 'fsname' to the name of containing filesystem */ (void) strlcpy(fsname, snapname, sizeof (fsname)); atp = strchr(fsname, '@'); if (atp == NULL) return (EINVAL); *atp = '\0'; /* If the fs does not exist, try its parent. */ if (!lzc_exists(fsname)) { char *slashp = strrchr(fsname, '/'); if (slashp == NULL) return (ENOENT); *slashp = '\0'; } /* * The begin_record is normally a non-byteswapped BEGIN record. * For resumable streams it may be set to any non-byteswapped * dmu_replay_record_t. */ if (begin_record == NULL) { error = recv_read(input_fd, &drr, sizeof (drr)); if (error != 0) return (error); } else { drr = *begin_record; } if (resumable || raw) { nvlist_t *outnvl = NULL; nvlist_t *innvl = fnvlist_alloc(); fnvlist_add_string(innvl, "snapname", snapname); if (recvdprops != NULL) fnvlist_add_nvlist(innvl, "props", recvdprops); if (localprops != NULL) fnvlist_add_nvlist(innvl, "localprops", localprops); if (origin != NULL && strlen(origin)) fnvlist_add_string(innvl, "origin", origin); fnvlist_add_byte_array(innvl, "begin_record", (uchar_t *)&drr, sizeof (drr)); fnvlist_add_int32(innvl, "input_fd", input_fd); if (force) fnvlist_add_boolean(innvl, "force"); if (resumable) fnvlist_add_boolean(innvl, "resumable"); if (cleanup_fd >= 0) fnvlist_add_int32(innvl, "cleanup_fd", cleanup_fd); if (action_handle != NULL) fnvlist_add_uint64(innvl, "action_handle", *action_handle); error = lzc_ioctl(ZFS_IOC_RECV_NEW, fsname, innvl, &outnvl); if (error == 0 && read_bytes != NULL) error = nvlist_lookup_uint64(outnvl, "read_bytes", read_bytes); if (error == 0 && errflags != NULL) error = nvlist_lookup_uint64(outnvl, "error_flags", errflags); if (error == 0 && action_handle != NULL) error = nvlist_lookup_uint64(outnvl, "action_handle", action_handle); if (error == 0 && errors != NULL) { nvlist_t *nvl; error = nvlist_lookup_nvlist(outnvl, "errors", &nvl); if (error == 0) *errors = fnvlist_dup(nvl); } fnvlist_free(innvl); fnvlist_free(outnvl); } else { zfs_cmd_t zc = {"\0"}; char *packed = NULL; size_t size; ASSERT3S(g_refcount, >, 0); (void) strlcpy(zc.zc_name, fsname, sizeof (zc.zc_value)); (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); if (recvdprops != NULL) { packed = fnvlist_pack(recvdprops, &size); zc.zc_nvlist_src = (uint64_t)(uintptr_t)packed; zc.zc_nvlist_src_size = size; } if (localprops != NULL) { packed = fnvlist_pack(localprops, &size); zc.zc_nvlist_conf = (uint64_t)(uintptr_t)packed; zc.zc_nvlist_conf_size = size; } if (origin != NULL) (void) strlcpy(zc.zc_string, origin, sizeof (zc.zc_string)); ASSERT3S(drr.drr_type, ==, DRR_BEGIN); zc.zc_begin_record = drr.drr_u.drr_begin; zc.zc_guid = force; zc.zc_cookie = input_fd; zc.zc_cleanup_fd = -1; zc.zc_action_handle = 0; if (cleanup_fd >= 0) zc.zc_cleanup_fd = cleanup_fd; if (action_handle != NULL) zc.zc_action_handle = *action_handle; zc.zc_nvlist_dst_size = 128 * 1024; zc.zc_nvlist_dst = (uint64_t)(uintptr_t) malloc(zc.zc_nvlist_dst_size); error = ioctl(g_fd, ZFS_IOC_RECV, &zc); if (error != 0) { error = errno; } else { if (read_bytes != NULL) *read_bytes = zc.zc_cookie; if (errflags != NULL) *errflags = zc.zc_obj; if (action_handle != NULL) *action_handle = zc.zc_action_handle; if (errors != NULL) VERIFY0(nvlist_unpack( (void *)(uintptr_t)zc.zc_nvlist_dst, zc.zc_nvlist_dst_size, errors, KM_SLEEP)); } if (packed != NULL) fnvlist_pack_free(packed, size); free((void *)(uintptr_t)zc.zc_nvlist_dst); } return (error); }